If Pressed RA$1$ button, what will happen?

void main$()1$

unsigned short current$\_$duty, old$\_$duty, current$\_$duty$1,$ old$\_$duty$1$;

PORTA $=255$; TRISA $=255$;$\frac{,}{\frac{?}{?}}$ configure PORTA pins as input

PORTB $=0$;$,//$ set PORTB to $0$

TRISB $=0$; $,//$ designate PORTB pins as output

PORTC $=0$;$\frac{,}{\frac{?}{?}}$ set PORTC to $0$

TRISC $=0$;$,//$ designate PORTC pins as output

PWM$1\_$Init$(5000)$; $//$ Initialize PWM$1$ module at $5$KHz

PWM$2\_$Init$(5000)$; $,//$ Initialize PWM$2$ module at $5$KHz

current$\_$duty $=16$; $,//$ initial value for current$\_$duty

current$\_$duty$1=16$; $\frac{,}{\frac{?}{?}}$ initial value for current$\_$duty$1$

PWM$1\_$Start$()$; $,//$ start PWM$1$

PWM$2\_$Start$()$; $//$ start PWM$2$

PWM$1\_$Set$\_$Duty$($current$\_$duty$)$; $//$ Set current duty for PWM$1$

PWM$2\_$Set$\_$Duty$($current$\_$duty$1)$; $//$ Set current duty for PWM$2$

while $(1)\}//$ endless loop

if $($RAO$\_$bit$)1//$ button on RAO pressed

Delay$\_$ms$(40)$; $,//$ increment current$\_$duty

PWM$1\_$Set$\_$Duty$($current$\_$duty$)$;

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If $($RA$1\_$bit$)\}//$ button on RA$1$ pressed

Delay$\_$ms$(40)$; $,//$ decrement current$\_$duty

PWM$1\_$Set$\_$Duty$($current$\_$duty$)$;

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if $($RA$2\_$bit$)(//$ button on RA$2$ pressed

Delay$\_$ms $(40)$;

current$\_$duty$14$;; $//$ increment current$\_$duty$1$

PWM$2\_$Set$\_$Duty$($current$\_$duty$1)$;

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